invar steel

例句：

1. 1. This invar steel is incredibly strong and durable.
   这种不锈钢非常坚固耐用。
2. 2. The construction of the bridge was made from high-quality invar steel.
   这座桥梁的建设使用了高质量的不锈钢。
3. 3. The invar steel used in this project is environmentally friendly and long-lasting.
   这个项目中使用的不锈钢环保且耐用。